4-5、食物在体内的旅行(国外英文资料).docVIP

4-5、食物在体内的旅行(国外英文资料) 4-5. Food travels in the body Teaching target: Scientific concept: 1. The energy needed for human activities comes from digestion and absorption of nutrients in food. 2, the bodys digestive organs have the mouth, esophagus, stomach, small intestine and large intestine, each organ has its own function. Food will enter the digestive organs in order to digest and absorb it. Process and method: 1, on the basis of existing experience, to make food digestion process diagram, and can constantly improve the process of understanding, conscious of their observation record to supplement and perfect. 2, access to information, to understand the food in vivo digestion of knowledge, comparison of information to improve their understanding of the bodys digestive organs. Emotion, attitude and values: 1. Be able to share research results with others on the basis of independent thinking, willing to cooperate and communicate with each other. 2, can correctly treat the study of imperfect knowledge, good at repeated observation, research, perfect understanding. Two, teaching focus Understand the digestion process of food in the human body. Three, teaching difficulties: Learn how food works in the digestive tract. Four, teaching preparation Teachers prepare: small steamed bread, stethoscope, the digestive process and digestive organs of the projection film or homemade multimedia courseware. Student preparation: small steamed buns and collected proverbs about good eating habits. Five, the process of activities: (I) Introduction 1, create scenarios and introduce new lessons. About: most of the students prefer to go out to travel, right? Today, the teacher wants to go on a trip with everyone, OK? Our trip is not to visit the magnificent mountains and rivers, nor to explore the treasure hunt First, our tour guide will be on the stage. (today) we will send the steamed bread guide to a place full of vigor and vitality at the moment. Where to go? 2, students guess after the